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          "updated_at",
          "attempts",
          "verdict",
          "failure_code",
          "result"
        ],
        "title": "SubmissionDetail",
        "type": "object"
      },
      "SubmissionPage": {
        "additionalProperties": false,
        "properties": {
          "items": {
            "items": {
              "$ref": "#/components/schemas/SubmissionSummary"
            },
            "title": "Items",
            "type": "array"
          },
          "next_after": {
            "anyOf": [
              {
                "type": "string"
              },
              {
                "type": "null"
              }
            ],
            "title": "Next After"
          }
        },
        "required": [
          "items",
          "next_after"
        ],
        "title": "SubmissionPage",
        "type": "object"
      },
      "SubmissionPerformance": {
        "additionalProperties": false,
        "properties": {
          "as_of": {
            "format": "date-time",
            "title": "As Of",
            "type": "string"
          },
          "comparison_group": {
            "anyOf": [
              {
                "maxLength": 64,
                "minLength": 64,
                "pattern": "^[0-9a-f]{64}$",
                "type": "string"
              },
              {
                "type": "null"
              }
            ],
            "title": "Comparison Group"
          },
          "cpu": {
            "$ref": "#/components/schemas/PerformanceMetric"
          },
          "kind": {
            "const": "judge.performance",
            "default": "judge.performance",
            "title": "Kind",
            "type": "string"
          },
          "language": {
            "$ref": "#/components/schemas/kf_oj__contracts__judging_v2__Language"
          },
          "memory": {
            "$ref": "#/components/schemas/PerformanceMetric"
          },
          "minimum_samples": {
            "const": 5,
            "default": 5,
            "title": "Minimum Samples",
            "type": "integer"
          },
          "problem_version_id": {
            "format": "uuid",
            "title": "Problem Version Id",
            "type": "string"
          },
          "schema_version": {
            "const": 1,
            "default": 1,
            "title": "Schema Version",
            "type": "integer"
          },
          "submission_id": {
            "format": "uuid",
            "title": "Submission Id",
            "type": "string"
          },
          "window_limit": {
            "const": 10000,
            "default": 10000,
            "title": "Window Limit",
            "type": "integer"
          }
        },
        "required": [
          "submission_id",
          "problem_version_id",
          "language",
          "as_of",
          "comparison_group",
          "cpu",
          "memory"
        ],
        "title": "SubmissionPerformance",
        "type": "object"
      },
      "SubmissionSource": {
        "additionalProperties": false,
        "properties": {
          "language": {
            "$ref": "#/components/schemas/kf_oj__contracts__judging_v2__Language"
          },
          "source": {
            "maxLength": 262144,
            "title": "Source",
            "type": "string"
          },
          "submission_id": {
            "format": "uuid",
            "title": "Submission Id",
            "type": "string"
          }
        },
        "required": [
          "submission_id",
          "language",
          "source"
        ],
        "title": "SubmissionSource",
        "type": "object"
      },
      "SubmissionSummary": {
        "additionalProperties": false,
        "properties": {
          "attempts": {
            "title": "Attempts",
            "type": "integer"
          },
          "created_at": {
            "format": "date-time",
            "title": "Created At",
            "type": "string"
          },
          "evaluation_id": {
            "format": "uuid",
            "title": "Evaluation Id",
            "type": "string"
          },
          "failure_code": {
            "anyOf": [
              {
                "$ref": "#/components/schemas/FailureCode"
              },
              {
                "type": "null"
              }
            ]
          },
          "language": {
            "$ref": "#/components/schemas/kf_oj__contracts__judging_v2__Language"
          },
          "problem_version_id": {
            "format": "uuid",
            "title": "Problem Version Id",
            "type": "string"
          },
          "state": {
            "enum": [
              "queued",
              "claimed",
              "compiling",
              "running",
              "cancelling",
              "finished",
              "cancelled",
              "failed"
            ],
            "title": "State",
            "type": "string"
          },
          "submission_id": {
            "format": "uuid",
            "title": "Submission Id",
            "type": "string"
          },
          "updated_at": {
            "format": "date-time",
            "title": "Updated At",
            "type": "string"
          },
          "verdict": {
            "anyOf": [
              {
                "$ref": "#/components/schemas/Verdict"
              },
              {
                "type": "null"
              }
            ]
          }
        },
        "required": [
          "submission_id",
          "evaluation_id",
          "problem_version_id",
          "language",
          "state",
          "created_at",
          "updated_at",
          "attempts",
          "verdict",
          "failure_code"
        ],
        "title": "SubmissionSummary",
        "type": "object"
      },
      "TestCase": {
        "additionalProperties": false,
        "properties": {
          "case_id": {
            "format": "uuid",
            "title": "Case Id",
            "type": "string"
          },
          "expected": {
            "$ref": "#/components/schemas/ArtifactReference"
          },
          "input": {
            "$ref": "#/components/schemas/ArtifactReference"
          }
        },
        "required": [
          "case_id",
          "input",
          "expected"
        ],
        "title": "TestCase",
        "type": "object"
      },
      "Toolchain": {
        "additionalProperties": false,
        "properties": {
          "image_kind": {
            "const": "linux_gnu_cxx_x86_64_v1",
            "title": "Image Kind",
            "type": "string"
          },
          "image_revision": {
            "maximum": 4294967295.0,
            "minimum": 1.0,
            "title": "Image Revision",
            "type": "integer"
          },
          "toolchain_id": {
            "pattern": "^[a-z0-9][a-z0-9_-]{0,63}$",
            "title": "Toolchain Id",
            "type": "string"
          }
        },
        "required": [
          "toolchain_id",
          "image_kind",
          "image_revision"
        ],
        "title": "Toolchain",
        "type": "object"
      },
      "ValidationError": {
        "properties": {
          "ctx": {
            "title": "Context",
            "type": "object"
          },
          "input": {
            "title": "Input"
          },
          "loc": {
            "items": {
              "anyOf": [
                {
                  "type": "string"
                },
                {
                  "type": "integer"
                }
              ]
            },
            "title": "Location",
            "type": "array"
          },
          "msg": {
            "title": "Message",
            "type": "string"
          },
          "type": {
            "title": "Error Type",
            "type": "string"
          }
        },
        "required": [
          "loc",
          "msg",
          "type"
        ],
        "title": "ValidationError",
        "type": "object"
      },
      "Verdict": {
        "enum": [
          "accepted",
          "wrong_answer",
          "compilation_error",
          "runtime_error",
          "time_limit_exceeded",
          "memory_limit_exceeded",
          "output_limit_exceeded",
          "cancelled",
          "system_error"
        ],
        "title": "Verdict",
        "type": "string"
      },
      "kf_oj__contracts__judging__Language": {
        "enum": [
          "c17",
          "cpp20"
        ],
        "title": "Language",
        "type": "string"
      },
      "kf_oj__contracts__judging_v2__Language": {
        "enum": [
          "c17",
          "cpp20",
          "python313",
          "java21"
        ],
        "title": "Language",
        "type": "string"
      }
    },
    "securitySchemes": {
      "WorkerLease": {
        "scheme": "bearer",
        "type": "http"
      }
    }
  },
  "info": {
    "description": "平台 API。身份使用真实可撤销会话，业务接口按模块逐项接入。",
    "title": "KF-OnlineJudge Platform API",
    "version": "0.0.1"
  },
  "openapi": "3.1.0",
  "paths": {
    "/api/v1/auth/login": {
      "post": {
        "operationId": "login_api_v1_auth_login_post",
        "requestBody": {
          "content": {
            "application/json": {
              "schema": {
                "$ref": "#/components/schemas/LoginRequest"
              }
            }
          },
          "required": true
        },
        "responses": {
          "200": {
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/LoginResponse"
                }
              }
            },
            "description": "Successful Response"
          },
          "422": {
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/HTTPValidationError"
                }
              }
            },
            "description": "Validation Error"
          }
        },
        "summary": "Login",
        "tags": [
          "identity"
        ]
      }
    },
    "/api/v1/auth/logout": {
      "post": {
        "operationId": "logout_api_v1_auth_logout_post",
        "responses": {
          "204": {
            "description": "Successful Response"
          }
        },
        "summary": "Logout",
        "tags": [
          "identity"
        ]
      }
    },
    "/api/v1/auth/me": {
      "get": {
        "operationId": "me_api_v1_auth_me_get",
        "responses": {
          "200": {
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/CurrentUser"
                }
              }
            },
            "description": "Successful Response"
          }
        },
        "summary": "Me",
        "tags": [
          "identity"
        ]
      }
    },
    "/api/v1/health/live": {
      "get": {
        "description": "Check process liveness only; does not attest DB, queue or judge readiness.",
        "operationId": "liveness",
        "responses": {
          "200": {
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/HealthResponse"
                }
              }
            },
            "description": "Successful Response"
          }
        },
        "summary": "Liveness",
        "tags": [
          "health"
        ]
      }
    },
    "/api/v1/internal/evaluations/{evaluation_id}/attempts/{attempt_id}/artifacts/{digest}": {
      "get": {
        "operationId": "artifact_api_v1_internal_evaluations__evaluation_id__attempts__attempt_id__artifacts__digest__get",
        "parameters": [
          {
            "in": "path",
            "name": "evaluation_id",
            "required": true,
            "schema": {
              "format": "uuid",
              "title": "Evaluation Id",
              "type": "string"
            }
          },
          {
            "in": "path",
            "name": "attempt_id",
            "required": true,
            "schema": {
              "format": "uuid",
              "title": "Attempt Id",
              "type": "string"
            }
          },
          {
            "in": "path",
            "name": "digest",
            "required": true,
            "schema": {
              "title": "Digest",
              "type": "string"
            }
          },
          {
            "in": "header",
            "name": "X-Worker-ID",
            "required": true,
            "schema": {
              "format": "uuid",
              "title": "X-Worker-Id",
              "type": "string"
            }
          },
          {
            "in": "header",
            "name": "X-Fencing-Version",
            "required": true,
            "schema": {
              "minimum": 1,
              "title": "X-Fencing-Version",
              "type": "integer"
            }
          }
        ],
        "responses": {
          "200": {
            "content": {
              "application/octet-stream": {
                "schema": {
                  "format": "binary",
                  "type": "string"
                }
              }
            },
            "description": "Successful Response"
          },
          "422": {
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/HTTPValidationError"
                }
              }
            },
            "description": "Validation Error"
          }
        },
        "security": [
          {
            "WorkerLease": []
          }
        ],
        "summary": "Artifact",
        "tags": [
          "worker artifacts"
        ]
      }
    },
    "/api/v1/internal/evaluations/{evaluation_id}/attempts/{attempt_id}/manifest": {
      "get": {
        "operationId": "manifest_api_v1_internal_evaluations__evaluation_id__attempts__attempt_id__manifest_get",
        "parameters": [
          {
            "in": "path",
            "name": "evaluation_id",
            "required": true,
            "schema": {
              "format": "uuid",
              "title": "Evaluation Id",
              "type": "string"
            }
          },
          {
            "in": "path",
            "name": "attempt_id",
            "required": true,
            "schema": {
              "format": "uuid",
              "title": "Attempt Id",
              "type": "string"
            }
          },
          {
            "in": "header",
            "name": "X-Worker-ID",
            "required": true,
            "schema": {
              "format": "uuid",
              "title": "X-Worker-Id",
              "type": "string"
            }
          },
          {
            "in": "header",
            "name": "X-Fencing-Version",
            "required": true,
            "schema": {
              "minimum": 1,
              "title": "X-Fencing-Version",
              "type": "integer"
            }
          }
        ],
        "responses": {
          "200": {
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/JobManifest"
                }
              }
            },
            "description": "Successful Response"
          },
          "422": {
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/HTTPValidationError"
                }
              }
            },
            "description": "Validation Error"
          }
        },
        "security": [
          {
            "WorkerLease": []
          }
        ],
        "summary": "Manifest",
        "tags": [
          "worker artifacts"
        ]
      }
    },
    "/api/v1/problems": {
      "get": {
        "operationId": "list_problems_api_v1_problems_get",
        "parameters": [
          {
            "in": "query",
            "name": "after",
            "required": false,
            "schema": {
              "anyOf": [
                {
                  "pattern": "^[a-z0-9][a-z0-9_-]{0,63}$",
                  "type": "string"
                },
                {
                  "type": "null"
                }
              ],
              "title": "After"
            }
          },
          {
            "in": "query",
            "name": "limit",
            "required": false,
            "schema": {
              "default": 20,
              "maximum": 100,
              "minimum": 1,
              "title": "Limit",
              "type": "integer"
            }
          }
        ],
        "responses": {
          "200": {
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/ProblemPage"
                }
              }
            },
            "description": "Successful Response"
          },
          "422": {
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/HTTPValidationError"
                }
              }
            },
            "description": "Validation Error"
          }
        },
        "summary": "List Problems",
        "tags": [
          "problems"
        ]
      }
    },
    "/api/v1/problems/versions/{version_id}": {
      "get": {
        "operationId": "problem_version_api_v1_problems_versions__version_id__get",
        "parameters": [
          {
            "in": "path",
            "name": "version_id",
            "required": true,
            "schema": {
              "format": "uuid",
              "title": "Version Id",
              "type": "string"
            }
          }
        ],
        "responses": {
          "200": {
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/ProblemDetail"
                }
              }
            },
            "description": "Successful Response"
          },
          "422": {
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/HTTPValidationError"
                }
              }
            },
            "description": "Validation Error"
          }
        },
        "summary": "Problem Version",
        "tags": [
          "problems"
        ]
      }
    },
    "/api/v1/submissions": {
      "get": {
        "operationId": "history_api_v1_submissions_get",
        "parameters": [
          {
            "in": "query",
            "name": "after",
            "required": false,
            "schema": {
              "anyOf": [
                {
                  "maxLength": 128,
                  "type": "string"
                },
                {
                  "type": "null"
                }
              ],
              "title": "After"
            }
          },
          {
            "in": "query",
            "name": "limit",
            "required": false,
            "schema": {
              "default": 20,
              "maximum": 100,
              "minimum": 1,
              "title": "Limit",
              "type": "integer"
            }
          },
          {
            "in": "query",
            "name": "problem_version_id",
            "required": false,
            "schema": {
              "anyOf": [
                {
                  "format": "uuid",
                  "type": "string"
                },
                {
                  "type": "null"
                }
              ],
              "title": "Problem Version Id"
            }
          },
          {
            "in": "query",
            "name": "language",
            "required": false,
            "schema": {
              "anyOf": [
                {
                  "$ref": "#/components/schemas/Language-Input"
                },
                {
                  "type": "null"
                }
              ],
              "title": "Language"
            }
          }
        ],
        "responses": {
          "200": {
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/SubmissionPage"
                }
              }
            },
            "description": "Successful Response"
          },
          "422": {
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/HTTPValidationError"
                }
              }
            },
            "description": "Validation Error"
          }
        },
        "summary": "History",
        "tags": [
          "submissions"
        ]
      },
      "post": {
        "operationId": "create_api_v1_submissions_post",
        "requestBody": {
          "content": {
            "application/json": {
              "schema": {
                "$ref": "#/components/schemas/CreateSubmission"
              }
            }
          },
          "required": true
        },
        "responses": {
          "201": {
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/SubmissionCreated"
                }
              }
            },
            "description": "Successful Response"
          },
          "422": {
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/HTTPValidationError"
                }
              }
            },
            "description": "Validation Error"
          }
        },
        "summary": "Create",
        "tags": [
          "submissions"
        ]
      }
    },
    "/api/v1/submissions/{submission_id}": {
      "get": {
        "operationId": "detail_api_v1_submissions__submission_id__get",
        "parameters": [
          {
            "in": "path",
            "name": "submission_id",
            "required": true,
            "schema": {
              "format": "uuid",
              "title": "Submission Id",
              "type": "string"
            }
          }
        ],
        "responses": {
          "200": {
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/SubmissionDetail"
                }
              }
            },
            "description": "Successful Response"
          },
          "422": {
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/HTTPValidationError"
                }
              }
            },
            "description": "Validation Error"
          }
        },
        "summary": "Detail",
        "tags": [
          "submissions"
        ]
      }
    },
    "/api/v1/submissions/{submission_id}/cancel": {
      "post": {
        "operationId": "cancel_api_v1_submissions__submission_id__cancel_post",
        "parameters": [
          {
            "in": "path",
            "name": "submission_id",
            "required": true,
            "schema": {
              "format": "uuid",
              "title": "Submission Id",
              "type": "string"
            }
          }
        ],
        "responses": {
          "202": {
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/CancellationAccepted"
                }
              }
            },
            "description": "Successful Response"
          },
          "422": {
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/HTTPValidationError"
                }
              }
            },
            "description": "Validation Error"
          }
        },
        "summary": "Cancel",
        "tags": [
          "submissions"
        ]
      }
    },
    "/api/v1/submissions/{submission_id}/performance": {
      "get": {
        "operationId": "performance_api_v1_submissions__submission_id__performance_get",
        "parameters": [
          {
            "in": "path",
            "name": "submission_id",
            "required": true,
            "schema": {
              "format": "uuid",
              "title": "Submission Id",
              "type": "string"
            }
          }
        ],
        "responses": {
          "200": {
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/SubmissionPerformance"
                }
              }
            },
            "description": "Successful Response"
          },
          "422": {
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/HTTPValidationError"
                }
              }
            },
            "description": "Validation Error"
          }
        },
        "summary": "Performance",
        "tags": [
          "submissions"
        ]
      }
    },
    "/api/v1/submissions/{submission_id}/source": {
      "get": {
        "operationId": "source_api_v1_submissions__submission_id__source_get",
        "parameters": [
          {
            "in": "path",
            "name": "submission_id",
            "required": true,
            "schema": {
              "format": "uuid",
              "title": "Submission Id",
              "type": "string"
            }
          }
        ],
        "responses": {
          "200": {
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/SubmissionSource"
                }
              }
            },
            "description": "Successful Response"
          },
          "422": {
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/HTTPValidationError"
                }
              }
            },
            "description": "Validation Error"
          }
        },
        "summary": "Source",
        "tags": [
          "submissions"
        ]
      }
    }
  }
}